2 Use the given degree of confidence and sample data to construct a confidence interval for the population mean j. Assume that the population has a normal distribution. The football coach randomly selected ten players and timed how long each plcer took to perform a certain drill. The times (in minutes) were: 7.7 10 9.5 8.8 11.4 7.1 6.1 11.8 10.5 12 Determine a 95% confidence interval for the mean time for all players. OA. 10.95 min<μ< 8.03 min OB. 11.05 min<μ< 7.93 min OC. 8.03 min<μ< 10.95 min OD. 7.93 min<μ< 11.05 min S #m 3 d % 5 O 9 all y b & 7 h U 8 E 9 k Time Remaining: 00:13:21 Next Nov 29 9:35 US + 11

2 Use the given degree of confidence and sample data to construct a confidence interval for the population mean j. Assume that the population has a normal distribution. The football coach randomly selected ten players and timed how long each plcer took to perform a certain drill. The times (in minutes) were: 7.7 10 9.5 8.8 11.4 7.1 6.1 11.8 10.5 12 Determine a 95% confidence interval for the mean time for all players. OA. 10.95 min<μ< 8.03 min OB. 11.05 min<μ< 7.93 min OC. 8.03 min<μ< 10.95 min OD. 7.93 min<μ< 11.05 min S #m 3 d % 5 O 9 all y b & 7 h U 8 E 9 k Time Remaining: 00:13:21 Next Nov 29 9:35 US + 11

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.4: Distributions Of Data

Problem 19PFA

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